Cheap flights from Idaho Falls to Illinois from $135
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Illinois departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Idaho Falls to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Idaho Falls to Illinois is on a Thursday when prices can be found for as low as $323. Flights from Idaho Falls to Illinois on a Saturday will generally be more expensive and average around $393. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Idaho Falls to Illinois during this time can be as low as $376. Flights in the afternoon are often more expensive with an average ticket price of $616.
What is the cheapest Idaho Falls Fanning Field to Illinois flight route?
Fly from Idaho Falls Fanning Field to Chicago O'Hare Intl for the best Idaho Falls Fanning Field - Illinois flight prices
What cabin class options are available on Idaho Falls Fanning Field to Illinois flights?
There are 1 cabin classes available to choose from on Idaho Falls Fanning Field to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Cheap Idaho Falls to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Illinois
Best Price Found | $135 |
|---|---|
Fastest flight time | 3h 12m |
Direct flights | Tue, Thu, Fri and Sat |
Airports in Illinois | 4 airports |
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Illinois?
Prices for flights from Idaho Falls Fanning Field Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Illinois?
The number of operators available for flights from Idaho Falls Fanning Field Airport to Illinois is 2 as of May 2025.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Idaho Falls to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Idaho Falls to Illinois is Canadair (Bombardier) Regional Jet 700, representing 100.00% of all bookings.
Best airlines flying from Idaho Falls to Illinois
Compare and see reviews for airlines that fly from Idaho Falls to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $323 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $361 | Free Cancellation | Rating 7.4 8,754 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Idaho Falls to Illinois?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Illinois for you.
Can I find flights from Idaho Falls to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Idaho Falls to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Idaho Falls to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Idaho Falls.
I’m not ready to book a flight from Idaho Falls to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Idaho Falls to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.